Text Message (green) unread count not syncing between devices
When I receive a text message (green, NOT iMessage) and open it on my iPhone, it will still show as unread on my 2 iPads and 2 Macs. Issue began when I activated my 12 Pro Max and changed my service from Sprint to T Mobile.
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Have already done the normal troubleshooting steps below:
1. Restarted all devices
2. Reset all settings on all devices
3. Turned off and on Text Message Forwarding on all devices
4. Turned off and on iCloud Messages on all devices
This only occurs when the message is opened from the iPhone. If the message is opened from the Mac or iPad, it will act appropriately and mark it as read on the iPhone. Blue iMessages behave appropriately as well
iPhone 11 Pro Max